/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraValidationRules.h
This validation rule ensures that no Systems have a warm up time set.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Category="Validation", DisplayName="No Warmup Time") class UNiagaraValidationRule_NoWarmupTime : public [UNiagaraValidationRule](API\Plugins\Niagara\UNiagaraValidationRule)